Whereas most companies have built either a consumer-brand or a back-end for merchants, the company has spun out a SaaS tool, ReachCommerce, from its branded ClubLocal platform. Street Fight recently caught up with Zorik Gordon, ReachLocal’s chief executive, to talk about the origins of the new project, the challenges with bring local services online, and the impact a shift from advertising to commerce might have on local search companies like Yelp…